The journey from Chidambaram to Thiruvananthapuram covers approximately 580 km. You can take a train to Chennai or Trichy and then a direct train to Thiruvananthapuram Central. Alternatively, state-run buses operate via the Madurai-Nagercoil route. The journey takes 13 to 15 hours. You will travel through the southern plains of Tamil Nadu before entering the coastal capital of Kerala. This route is well-connected by both rail and road networks.
Total Distance: 580 km by road, 470 km straight-line.
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| Duration | 14 hours | 15 hours |
| Avg Price | 800-1600 INR | 1000-2000 INR |
| Operator | Southern Railway | SETC / Kerala RTC |
| Route | Chidambaram - Trichy - Thiruvananthapuram | NH 44 via Madurai and Nagercoil |
| Tip | The Kanyakumari Express is a reliable train option for this route. | Choose a multi-axle Volvo bus for a smoother ride. |
October to March for pleasant weather.